Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
Prometheus - An open-source systems monitoring and alerting toolkit.